CVE-2022-2421

Severity CVSS v4.0:

Pending analysis

Type:

CWE-89 SQL Injection

Publication date:

26/10/2022

Last modified:

06/02/2026

Description

Due to improper type validation in attachment parsing the Socket.io js library, it is possible to overwrite the _placeholder object which allows an attacker to place references to functions at arbitrary places in the resulting query object.

Impact

Vector 3.x

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H CVSS v3.1 Severity and Metrics:

Base Score: 10.00 CRITICAL
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H

Attack Vector (AV): Network
Attack Complexity (AC): Low
Privileges Required (PR): None
User Interaction (UI): None
Scope (S): Changed
Confidentiality (C): High
Integrity (I): High
Availability (A): High

Base Score 3.x

10.00

Severity 3.x

CRITICAL

Vulnerable products and versions

CPE	From	Up to
cpe:2.3:a:socket:socket.io-parser::::::node.js::*		3.3.3 (excluding)
cpe:2.3:a:socket:socket.io-parser::::::node.js::*	3.4.0 (including)	3.4.2 (excluding)
cpe:2.3:a:socket:socket.io-parser::::::node.js::*	4.0.0 (including)	4.0.5 (excluding)
cpe:2.3:a:socket:socket.io-parser::::::node.js::*	4.1.0 (including)	4.2.1 (excluding)

To consult the complete list of CPE names with products and versions, see this page

CVE-2022-2421

Description

Impact

Vulnerable products and versions

References to Advisories, Solutions, and Tools